哀歌[aika] lament (song)
愛唱歌[aishouka] (one's) favourite song
詠歌[eika] poem (esp. tanka)
艶歌[enka] enka
応援歌[ouenka] rooters' song

歌い合う[utaiau] to sing responsively
歌い上げる[utaiageru] to sing at the top of one's voice
歌詠み[utayomi] tanka composer
歌会[utakai] poetry party or competition

譬え[tatoe] example
譬える[tatoeru] to compare
譬諭[hiyu] simile

譬話[tatoebanashi] allegory
譬喩歌[hiyuka] metaphorical poem (of the Man'yoshu)
譬え歌[tatoeuta] metaphorical poem (of the Man'yoshu)